121420534 has 16 divisors (see below), whose sum is σ = 185985072. Its totient is φ = 59438848.

The previous prime is 121420501. The next prime is 121420553. The reversal of 121420534 is 435024121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15522 + ... + 21994.

It is an arithmetic number, because the mean of its divisors is an integer number (11624067).

Almost surely, 2^121420534 is an apocalyptic number.

121420534 is a deficient number, since it is larger than the sum of its proper divisors (64564538).

121420534 is a wasteful number, since it uses less digits than its factorization.

121420534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6671.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 121420534 is about 11019.0986019728. The cubic root of 121420534 is about 495.1810839694.

Adding to 121420534 its reverse (435024121), we get a palindrome (556444655).

The spelling of 121420534 in words is "one hundred twenty-one million, four hundred twenty thousand, five hundred thirty-four".